Home / 13,186,011.26-19,743,580.29-8,367,612.86

Finding the Fourth Proportional to 13,186,011.26, 19,743,580.29 and 8,367,612.86

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Solution

The fourth proportional to 13,186,011.26, 19,743,580.29 and 8,367,612.86 is: 12,528,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,011.26 : 19,743,580.29 = 8,367,612.86 : x
  2. Step 2: Convert to fraction form
    13,186,011.26/19,743,580.29 = 8,367,612.86/x
  3. Step 3: Cross multiply
    13,186,011.26x = 19,743,580.29 × 8,367,612.86
  4. Step 4: Simplify right side
    13,186,011.26x = 165,206,636,337,046.53
  5. Step 5: Solve for x
    x = 165,206,636,337,046.53/13,186,011.26
  6. Step 6: Final answer
    x = 12,528,931.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.